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byoung2
on Oct 9, 2011
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Ask HN: Where/How do I learn about credit card pay...
there is a specific way the card numbers are issued by companies and that you could tell by the number which company issued it.
Here is a good resource for that info:
http://www.merriampark.com/anatomycc.htm
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Here is a good resource for that info: http://www.merriampark.com/anatomycc.htm